Alkali soil
soil that has either a high degree of alkalinity or a high percentage of sodium, or both, so that most crops cannot be grown in it profitably.
noun
a soil that gives a ph reaction of 8.5 or above, found esp in dry areas where the soluble salts, esp of sodium, have not been leached away but have acc-mulated in the b horizon of the soil profile
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- Alkalic
(of igneous rock) containing a relatively high percentage of sodium and pot-ssium . historical examples the tool n was used in refining their alkalic salts, and served to take off the salt as crystallized in course of its manufacture. reminiscences of gl-ss-making deming jarves adjective (of igneous rocks) containing large amounts of alkalis, esp sodium […]
- Alkalify
to alkalize. to become alkaline. verb -fies, -fying, -fied to make or become alkaline
- Alkalimetry
an instrument for determining the quant-ty of carbon dioxide. historical examples the commercial value of this substance is determined by the ordinary processes of alkalimetry. cooley’s practical receipts, volume ii arnold cooley the quant-ty of alkali, whether hydrate or carbonate, may be found by the common method of alkalimetry. cooley’s practical receipts, volume ii arnold […]
- Alkaline battery
noun a dry cell storage battery with a long life, which uses an alkaline electrolyte of pot-ssium hydroxide
- Alkaline earth
any of the oxides of barium, radium, strontium, calcium, and, sometimes, magnesium. historical examples the acid and alkaline earth must be well diffused through the whole dough. a dictionary of arts, manufactures and mines andrew ure sulphuret, a combination of an alkaline earth or metal with sulphur as, sulphuret of iron, a combination of iron […]